18170550

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{149}}^1\times {\mathrm{271}}^1$

素因数の和:438

約数の個数: 72

約数和(自身を含む): 49327200

約数和(自身を除く): 31156650

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 75, 90, 149, 150, 225, 271, 298, 447, 450, 542, 745, 813, 894, 1341, 1355, 1490, 1626, 2235, 2439, 2682, 2710, 3725, 4065, 4470, 4878, 6705, 6775, 7450, 8130, 11175, 12195, 13410, 13550, 20325, 22350, 24390, 33525, 40379, 40650, 60975, 67050, 80758, 121137, 121950, 201895, 242274, 363411, 403790, 605685, 726822, 1009475, 1211370, 1817055, 2018950, 3028425, 3634110, 6056850, 9085275, 18170550]

約数ペア:

[(1, 18170550), (2, 9085275), (3, 6056850), (5, 3634110), (6, 3028425), (9, 2018950), (10, 1817055), (15, 1211370), (18, 1009475), (25, 726822), (30, 605685), (45, 403790), (50, 363411), (75, 242274), (90, 201895), (149, 121950), (150, 121137), (225, 80758), (271, 67050), (298, 60975), (447, 40650), (450, 40379), (542, 33525), (745, 24390), (813, 22350), (894, 20325), (1341, 13550), (1355, 13410), (1490, 12195), (1626, 11175), (2235, 8130), (2439, 7450), (2682, 6775), (2710, 6705), (3725, 4878), (4065, 4470)]